Business Namewww.elstermesstechnik.com

M 120Multi-jet meterDry-dial meter with metrological precision and transparency

● Multi-jet dry-dial meter for cold water● Nominal flow rate Q

n 1.5 to 15 m3/h

● EEC approval metrological class B·H/C·H● Good readability even at extreme operational conditions● Hermatically sealed counter● Antimagnetic shield (optional)● ELSTER conText® inscription system● Optionally retrofittable with pulse contactors

Cold water up to 30 °C

D 986.131.05

EEC approval

MTRFlange

MTR

H2

H1

L1

D1

B1

H2

H1

L1

B1 132 x 132

H2

B1

B2

L1

D1

MTR-S

Flow rate in m3/h

Pres

sure

loss

in b

ar

0.1 0.2 0.3 0.5 1 2 3 4 5 10 20 30 40 50 100

0.1

0.01

1.0 Q

n 1.5 2.5 3.5 6 10 15

ELSTER Messtechnik GmbHOtto-Hahn-Strasse 2568623 LampertheimGermany

T +49 (0) 62 06 933 0F +49 (0) 62 06 933 100E messtechnik@de.elster.com www.elstermesstechnik.com

M120_D_01.03e / 05.09 Changes without notice

Copyright ELSTER Messtechnik GmbH

Reed Disc with tamper detectionType Reedswitch potted, protection IP 68Contact load max. 24 V DC, 50 mAResistance 100 OhmCable 3 x 0.14 mm2

Ø 3.3 mmPulse contact brown – whiteTamper contact green – whiteCable length 3 m.......................................................................Ordering number 100 litres/1 pulse 0000998 1000 litres/1 pulse 0000999

∆p

0.8

bar a

t Qm

ax∆

p 0.

2 ba

r at Q

n

Multi-jet meter M120 MTR MTR-SMeter size / Nominal flow rate Q

n m3/h 1.5 2.5 3.5 6 10 15 15 1.5 2.5 6 10

Nominal size DN mm 15 20 25 25 40 50 50 20 20 25 40 DN inches 1/2 3/4 1 1 1 1/2 2 2 3/4 3/4 1 1 1/2

Ordering number Standard Initial certification B·H 0755788 0755826 0755850 0755869 0755885 0755893 0755915 0755958 0755966 0755982 0756008Pulse-preparation 100 litres/1 pulse R 0757837 R 0757853 0757888 0757896 0757918 0757942 0757977 0757993 0758027Pulse-preparation 1000 litres/1 pulse R 0758116 R 0758132 0758159 0758167 0758175 0758221 0758248 0758272 0758302Optional Initial certification C·H 0001113 0001454 0001904 0001905 0001906 — — — — — — DimensionsD1

Meter conn. thread ISO 228/1 inches G 3/4 B G 1 B G 1 1/4 B G 1 1/4 B G 2 B G 2 1/2 B Flange G 1 B G 1 B G 1 1/4 B G 2 B Conn. pipe thread ISO 7/1 inches R 1/2 R 3/4 R 1 R 1 R 1 1/2 R 2 — R 3/4 R 3/4 R 1 R 1 1/2.....................................................................................................................................................................................................................................................................................................L

1 Meter length mm 165 190 260 260 300 270 270 105 105 150 200

Connector length mm 50 50 60 60 70 60 — 50 50 60 70.....................................................................................................................................................................................................................................................................................................B

1 Width mm 100 100 100 100 100 100 100 100 100 100 100

B2 Distance mm — — — — — — 80 80 94 120

.....................................................................................................................................................................................................................................................................................................H

1 Centerline height mm 31 31 43 43 46 46 68 — — — —

H2 Overall height mm 115 115 130 130 153 153 160 135 135 151 195

.....................................................................................................................................................................................................................................................................................................Weight kg 1.5 1.6 2.5 2.5 3.7 4.5 8.5 1,8 1,8 2.6 5.5

Performance characteristics Maximum flow rate Q

max m3/h 3 5 7 12 20 30 30 3 5 12 20

Transitional flow rate Qt

l/h 22.5 37.5 52.5 90 150 3 000 3 000 22.5 37.5 90 150Minimum flow rate Q

min*

l/h 13 22 30 50 80 250 250 15 25 60 100

Starting flow l/h 5.5 10 12 18 25 45 45 10 15 30 50

Continuous load approx. 1.6 x Qn

l/h 2 500 4 000 5 600 10 000 16 000 25 000 25 000 2 500 4 000 10 000 16 000Temperature T

max °C 30 30 30 30 30 30 30 30 30 30 30

Pressure rating PN bar 16 16 16 16 16 16 16 16 16 16 16Flow capacity at 1 bar pressure loss m3/h 3.3 5.5 7.2 12.8 22 32 32 4.0 6.7 12.8 22

R: on request * typical performance characteristics, exceeds the demands of the metrological class B and C